replaced hardcoded geoserver version number.
Fixed version number reference to follow the project convention.
GSIP 83 - REST Extensible and customizable versions report

First commit: geoserver get versions via ReST
second release
proposed relese
adding junit tests
introducing JUnit test
change rest mapping as requested
align tests to changes
adding documentation
Upgrade GWC dependency to 1.4-SNAPSHOT, make it compile again
Make the lock provider configurable via GUI
Adding a chooser for the quota store
Check the quota store can be created in the configuration page, allow GeoServer to startup anyways in case the quota store cannot be configured, and show error messages in the home page and disk quota config page in such case
Translate gwc related combo boxes contents
Use password field for... hum... the password
Merge pull request #101 from aaime/gwc14

GSIP 90 - update GeoWebCache to version 1.4.x
Merge pull request #83 from steenhulthin/doc_versionnumber_fix

replaced hardcoded geoserver version number.
remove geowebcache dependency from ManifestLoader;
remove duplicated Status codes section into rest config documentation;
improve rest-config-examples-curl documentation adding version and manifest examples;
Merge pull request #85 from ccancellieri/master-REST-manifest-version

GSIP 83 - geoserver get versions via ReST
German properties files modified, thanks to Stefan Engelhardt